Alberta Class 4 (Commercial) Driver Knowledge
Exam | Latest Verified Questions and Detailed
Answers
OVERVIEW DESCRIPTION:
This Comprehensive set of multiple choice questions is designed for the Alberta Class 4
(Commercial) Driver Knowledge Exam, a computerized test required to obtain a
commercial licence for operating taxis, rideshare vehicles, ambulances, and small buses
with up to 24 passengers. The exam assesses knowledge drawn from the official Alberta
Commercial Driver’s Guide, including passenger transportation regulations, vehicle and
safety inspections, heavy vehicle braking and mechanics, National Safety Code compliance
(hours of service and logbooks), driving safety, and environmental awareness. It is
administered by the Government of Alberta through authorized registry agent offices.
QUESTION 1
A Class 4 licence is required to operate a taxi or rideshare vehicle. What maximum
passenger seating capacity (excluding the driver) is permitted under a Class 4 licence?
A) 10 passengers
B) 15 passengers
C) 24 passengers
D) 36 passengers
CORRECT ANSWER: C) 24 passengers
EXPERT RATIONALE: Alberta’s Class 4 licence covers small buses designed to carry up to
24 passengers, excluding the driver. Larger capacity requires a higher class of licence.
QUESTION 2
When transporting passengers for hire, what document must a Class 4 driver carry in
addition to the driver’s licence?
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A) Valid safety fitness certificate for the driver
B) Commercial vehicle inspection certificate
C) Medical examination report
D) Operator’s licence or taxi/rideshare identification card as required by the municipality
CORRECT ANSWER: D) Operator’s licence or taxi/rideshare identification card as
required by the municipality
EXPERT RATIONALE: Drivers of taxis and rideshare vehicles must hold any municipal
business licence or identification card, plus a valid Class 4 licence. The vehicle itself
requires a safety fitness certificate if operated under NSC, not the driver personally.
QUESTION 3
What is the minimum age to apply for an Alberta Class 4 driver’s licence?
A) 16 years
B) 18 years
C) 21 years
D) 19 years
CORRECT ANSWER: B) 18 years
EXPERT RATIONALE: In Alberta, you must be at least 18 years old to hold a commercial
Class 4 licence. A Class 5 probationary licence can be obtained at 16, but commercial
classes require age 18.
QUESTION 4
A passenger with a service dog wishes to ride in your taxi. You have a passenger with
allergies in the vehicle. What is the proper action?
A) Refuse the service dog because of allergy concerns
B) Ask the passenger with the service dog to wait for another taxi
C) Allow the service dog and inform the passenger with allergies of the situation
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D) Place the service dog in the trunk
CORRECT ANSWER: C) Allow the service dog and inform the passenger with allergies of
the situation
EXPERT RATIONALE: By law, service dogs must be permitted in taxis and rideshares. You
cannot refuse a passenger with a service dog; politely advising the allergic passenger
and finding a mutually acceptable arrangement is best.
QUESTION 5
Which of the following is true regarding seatbelt use in a Class 4 vehicle?
A) Only the driver must wear a seatbelt
B) Passengers in the front seat must wear a seatbelt, rear passengers are exempt
C) All occupants of the vehicle must wear a seatbelt
D) Seatbelts are optional for commercial drivers
CORRECT ANSWER: C) All occupants of the vehicle must wear a seatbelt
EXPERT RATIONALE: Alberta law requires every person in a motor vehicle to wear a
seatbelt, including passengers in commercial vehicles. Drivers are responsible to ensure
passengers under 16 are buckled.
QUESTION 6
What is the proper procedure if a passenger loses consciousness and stops breathing in
your vehicle?
A) Drive faster to the nearest hospital
B) Call 911, then begin CPR if trained, and use an AED if available
C) Pour water on the passenger’s face
D) Ask other passengers to hold the person upright
CORRECT ANSWER: B) Call 911, then begin CPR if trained, and use an AED if available
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EXPERT RATIONALE: A medical emergency requires immediate emergency services
activation. Professional drivers should be trained in first aid; starting CPR and using an
AED before medical help arrives saves lives.
QUESTION 7
According to the Alberta Commercial Driver’s Guide, what must a driver do before
transporting a person in a wheelchair?
A) Remove the wheelchair’s battery
B) Secure the wheelchair with a four-point tie-down system and secure the occupant
with a lap and shoulder belt
C) Fold the wheelchair and store it in the trunk
D) Transfer the passenger into a regular seat
CORRECT ANSWER: B) Secure the wheelchair with a four-point tie-down system and
secure the occupant with a lap and shoulder belt
EXPERT RATIONALE: Wheelchair securement requires a properly anchored four-point
tie-down and occupant restraint. This prevents injury during normal driving and sudden
stops.
QUESTION 8
If a passenger refuses to pay the fare after the trip, as a driver you should:
A) Physically detain the passenger until they pay
B) Lock the doors and drive the passenger to a police station
C) Remain calm, avoid confrontation, and note the passenger’s details to report to
authorities or your company
D) Take the passenger’s belongings as collateral
CORRECT ANSWER: C) Remain calm, avoid confrontation, and note the passenger’s
details to report to authorities or your company